Piedra

Other names| Trichosporosis[1]: 312
Specialty| Dermatology

Piedra is a hair disease caused by a fungus, which causes formation of nodules on the hair shaft.[2][3]

Types include:[citation needed]

* White piedra
* Black piedra

## References

1. ↑ James, William D. et al. (2006). Andrews' Diseases of the Skin: clinical Dermatology. Saunders Elsevier. ISBN 0-7216-2921-0.
2. ↑ "Piedra" at Dorland's Medical Dictionary
3. ↑ Veasey JV, Avila RB, Miguel BAF, Muramatu LH. White piedra, black piedra, tinea versicolor, and tinea nigra: contribution to the diagnosis of superficial mycosis. An Bras Dermatol. 2017 May-Jun;92(3):413-416. doi:10.1590/abd1806-4841.20176018 PMID 29186263

## External links

Classification|

* ICD-9-CM: 111.2-111.3
* MeSH: D010854
* SNOMED CT: 402135006

|

External resources|

* eMedicine: derm/788

* v
* t
* e

Fungal infection and mesomycetozoea (B35–B49, 110–118)

Superficial and
cutaneous
(dermatomycosis):
Tinea = skin;
Piedra (exothrix/
endothrix) = hair|

| Ascomycota|

| Dermatophyte
(Dermatophytosis)|

| By location|

* Tinea barbae/tinea capitis
* Kerion
* Tinea corporis
* Ringworm
* Dermatophytids
* Tinea cruris
* Tinea manuum
* Tinea pedis (athlete's foot)
* Tinea unguium/onychomycosis
* White superficial onychomycosis
* Distal subungual onychomycosis
* Proximal subungual onychomycosis
* Tinea corporis gladiatorum
* Tinea faciei
* Tinea imbricata
* Tinea incognito
* Favus

|

By organism|

* Epidermophyton floccosum
* Microsporum canis
* Microsporum audouinii
* Trichophyton interdigitale/mentagrophytes
* Trichophyton tonsurans
* Trichophyton schoenleini
* Trichophyton rubrum
* Trichophyton verrucosum

Other|

* Hortaea werneckii
* Tinea nigra
* Piedraia hortae
* Black piedra

Basidiomycota|

* Malassezia furfur
* Tinea versicolor
* Pityrosporum folliculitis
* Trichosporon
* White piedra

Subcutaneous,
systemic,
and opportunistic|

| Ascomycota|

| Dimorphic
(yeast+mold)|

| Onygenales|

* Coccidioides immitis/Coccidioides posadasii
* Coccidioidomycosis
* Disseminated coccidioidomycosis
* Primary cutaneous coccidioidomycosis. Primary pulmonary coccidioidomycosis
* Histoplasma capsulatum
* Histoplasmosis
* Primary cutaneous histoplasmosis
* Primary pulmonary histoplasmosis
* Progressive disseminated histoplasmosis
* Histoplasma duboisii
* African histoplasmosis
* Lacazia loboi
* Lobomycosis
* Paracoccidioides brasiliensis
* Paracoccidioidomycosis

|

Other|

* Blastomyces dermatitidis
* Blastomycosis
* North American blastomycosis
* South American blastomycosis
* Sporothrix schenckii
* Sporotrichosis
* Talaromyces marneffei
* Talaromycosis

Yeast-like|

* Candida albicans
* Candidiasis
* Oral
* Esophageal
* Vulvovaginal
* Chronic mucocutaneous
* Antibiotic candidiasis
* Candidal intertrigo
* Candidal onychomycosis
* Candidal paronychia
* Candidid
* Diaper candidiasis
* Congenital cutaneous candidiasis
* Perianal candidiasis
* Systemic candidiasis
* Erosio interdigitalis blastomycetica
* C. glabrata
* C. tropicalis
* C. lusitaniae
* Pneumocystis jirovecii
* Pneumocystosis
* Pneumocystis pneumonia

Mold-like|

* Aspergillus
* Aspergillosis
* Aspergilloma
* Allergic bronchopulmonary aspergillosis
* Primary cutaneous aspergillosis
* Exophiala jeanselmei
* Eumycetoma
* Fonsecaea pedrosoi/Fonsecaea compacta/Phialophora verrucosa
* Chromoblastomycosis
* Geotrichum candidum
* Geotrichosis
* Pseudallescheria boydii
* Allescheriasis

Basidiomycota|

* Cryptococcus neoformans
* Cryptococcosis
* Trichosporon spp
* Trichosporonosis

Zygomycota
(Zygomycosis)|

| Mucorales
(Mucormycosis)|

* Rhizopus oryzae
* Mucor indicus
* Lichtheimia corymbifera
* Syncephalastrum racemosum
* Apophysomyces variabilis

|

Entomophthorales
(Entomophthoramycosis)|

* Basidiobolus ranarum
* Basidiobolomycosis
* Conidiobolus coronatus/Conidiobolus incongruus
* Conidiobolomycosis

Microsporidia
(Microsporidiosis)|

* Enterocytozoon bieneusi/Encephalitozoon intestinalis

Mesomycetozoea|

* Rhinosporidium seeberi
* Rhinosporidiosis

Ungrouped|

* Alternariosis
* Fungal folliculitis
* Fusarium
* Fusariosis
* Granuloma gluteale infantum
* Hyalohyphomycosis
* Otomycosis
* Phaeohyphomycosis

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